What is this place?
a tennis court
What is this place?
a golf course
Who is that?
a coach
What is this place?
a swimming pool
Who are they? What is it? (two words)
spectators / the crowd
Whoa are they?
fans
Who are they? (two words)
a referee / an umpire
Who are they?
players
What is this place?
a ski slope
What is this?
a stadium
What is this?
a team
What is this place?
a football pich
What is that?
a sports hall
What is this place?
a Formula 1 or motocycle circuit
Who is that?
a captain
What is this place?
an athletics track